drivers/iio/accel/adxl380_i2c.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * ADXL380 3-Axis Digital Accelerometer I2C driver
   4  *
   5  * Copyright 2024 Analog Devices Inc.
   6  */
   7
   8 #include <linux/i2c.h>
   9 #include <linux/mod_devicetable.h>
  10 #include <linux/module.h>
  11 #include <linux/regmap.h>
  12
  13 #include "adxl380.h"
  14
  15 static const struct regmap_config adxl380_regmap_config = {
  16         .reg_bits = 8,
  17         .val_bits = 8,
  18         .readable_noinc_reg = adxl380_readable_noinc_reg,
  19 };
  20
  21 static int adxl380_i2c_probe(struct i2c_client *client)
  22 {
  23         struct regmap *regmap;
  24         const struct adxl380_chip_info *chip_data;
  25
  26         chip_data = i2c_get_match_data(client);
  27
  28         regmap = devm_regmap_init_i2c(client, &adxl380_regmap_config);
  29         if (IS_ERR(regmap))
  30                 return PTR_ERR(regmap);
  31
  32         return adxl380_probe(&client->dev, regmap, chip_data);
  33 }
  34
  35 static const struct i2c_device_id adxl380_i2c_id[] = {
  36         { "adxl380", (kernel_ulong_t)&adxl380_chip_info },
  37         { "adxl382", (kernel_ulong_t)&adxl382_chip_info },
  38         { }
  39 };
  40 MODULE_DEVICE_TABLE(i2c, adxl380_i2c_id);
  41
  42 static const struct of_device_id adxl380_of_match[] = {
  43         { .compatible = "adi,adxl380", .data = &adxl380_chip_info },
  44         { .compatible = "adi,adxl382", .data = &adxl382_chip_info },
  45         { }
  46 };
  47 MODULE_DEVICE_TABLE(of, adxl380_of_match);
  48
  49 static struct i2c_driver adxl380_i2c_driver = {
  50         .driver = {
  51                 .name = "adxl380_i2c",
  52                 .of_match_table = adxl380_of_match,
  53         },
  54         .probe = adxl380_i2c_probe,
  55         .id_table = adxl380_i2c_id,
  56 };
  57
  58 module_i2c_driver(adxl380_i2c_driver);
  59
  60 MODULE_AUTHOR("Ramona Gradinariu <ramona.gradinariu@analog.com>");
  61 MODULE_AUTHOR("Antoniu Miclaus <antoniu.miclaus@analog.com>");
  62 MODULE_DESCRIPTION("Analog Devices ADXL380 3-axis accelerometer I2C driver");
  63 MODULE_LICENSE("GPL");
  64 MODULE_IMPORT_NS(IIO_ADXL380);